Sonny’s Racing Engines has debuted a new upper end kit for those who want the ultimate in performance. This hemispherical headed single 4 bbl kit allows the do-it-yourselfer to build a high horsepower combination. The kit includes Sonny’s New Billet Aluminum 1×4 Manifold that can be set up for a carburetor or electronic fuel injection (various deck height applications available), along with Sonny’s fully CNC’d 5.00″ bore space Hemispherical cylinder heads (completely race ready), and including these components… Manley titanium valves, PSI springs, Manley retainers and locks. Also included in the kit are BME gas ported custom pistons, Trends wrist pins, Trends 1 piece pushrods, Total Seal Rings, T&D Rocker System, Head Studs, Sonny’s billet rail valve covers, intake and valve cover gaskets. For more information, contact Sonny’s at 434-239-1009 or on line at www.sonnysracingengines.com.
This story was originally published on January 9, 2014. 
